doi:10.1029/EO076i002p00009-03Barton, C. EEos Transactions American Geophysical Union
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This is the geo-magnetic field. The geodynamo model for the origin of the earth's field is lent further credence by the fact that the moon which turns around its own axis very slowly once in 28 days has a negligible magnetic field. Also, Jupiter which spins much faster than...
Earth science: What triggers reversals of the Earth's magnetic field?. Nature 309, 115 (1984). https://doi.org/10.1038/309115a0 Download citation Issue Date10 May 1984 DOIhttps://doi.org/10.1038/309115a0 Springer Nature Limited Share this article Anyone you share the following link with ...
This creates a toroidal, or doughnut-shaped field, as the direction of the field propagates outward from the north pole and enters through the south pole. Earth itself is a giant magnet. The planet gets its magnetic field from circulating electric current within the molten metallic core, ...
What is a quantum vacuum? Anne Baring A True Vacuum? One may have heard that a vacuum is nothing—the absence of matter. Space is typically called a vacuum, but even it has minute material in the void that makes it a non-but-near-vacuum as a whole. On Earth, we can isolate a ...
In the Northern Hemisphere, the phenomenon is called the northern lights (aurora borealis), while in the Southern Hemisphere, it's called the southern lights (aurora australis). "These particles are deflected towards the poles of Earth by our planet's magnetic field and interact with our ...
Earth's magnetic field shields us from deadly cosmic radiation, and without it, life as we know it could not exist here. The motion of liquid iron in the planet's outer core, a phenomenon called a "geodynamo," generates the field. But how it was first created and then sustained through...
your center of mass is pulling back at the Earth. But the more massive body barely feels the tug from you, while with your much smaller mass, you find yourself firmly rooted thanks to that same force. Yet Newton's laws assume that gravity is an innate force of an object that can act...
Researchers have shed light on how heat is conducted by the inner and outer cores of the Earth to create its protective magnetic field. AsianScientist (Jun. 16, 2016)– Earth’s magnetic field shields us from deadly cosmic radiation. Without it, life as we know it could not exist. But ...